881142 has 8 divisors (see below), whose sum is σ = 1762296. Its totient is φ = 293712.

The previous prime is 881141. The next prime is 881143. The reversal of 881142 is 241188.

It is an interprime number because it is at equal distance from previous prime (881141) and next prime (881143).

It is a sphenic number, since it is the product of 3 distinct primes.

881142 is an admirable number.

It is a super-2 number, since 2×881142² = 1552822448328, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881142.

It is not an unprimeable number, because it can be changed into a prime (881141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73423 + ... + 73434.

It is an arithmetic number, because the mean of its divisors is an integer number (220287).

2⁸⁸¹¹⁴² is an apocalyptic number.

881142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881142 is a wasteful number, since it uses less digits than its factorization.

881142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146862.

The product of its digits is 512, while the sum is 24.

The square root of 881142 is about 938.6916426601. The cubic root of 881142 is about 95.8698322641.

The spelling of 881142 in words is "eight hundred eighty-one thousand, one hundred forty-two".